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Paper Abstract and Keywords
Presentation 2024-12-11 14:20
Influence of Ambient Gas and Load Condition on Various Characteristics of Electromagnetic Contactor in AC Power Supply
Kiyoshi Yoshida, Makoto Takanezawa, Ueno Takahiro, Kouichiro Sawa (NIT) EMD2024-24
Abstract (in Japanese) (See Japanese page) 
(in English) 水素は直流遮断に非常に効果的であることはよく知られているが、交流遮断ではどのように作用するかは不明である。
本論文では、空気中および水素ガス中で電磁接触器を開路する際のアーク放電を調べた。電源電圧はAC 100V -50Hz、閉接点電流は10Aとした。実験は抵抗負荷(力率1.0)および誘導負荷(力率0.9、0.8、0.6)で行った。雰囲気ガスは空気と水素の2種類で、1気圧および3気圧とした。アーク持続時間、アーク放電時のアークエネルギー、接触抵抗を測定した。実験結果から、雰囲気ガスおよび負荷条件の違いによる各種特性への影響を調べた。
その結果、誘導負荷ではインダクタンスの大きさによるアーク持続時間の変化がないことが確認された。しかし、水素中ではアーク持続時間は空気中よりも短く、インダクタンスの大きさに影響されました。したがって、同じインダクタンスでのアーク持続時間は H2 < 空気でした。さらに、水素中のアーク放電の電圧上昇率は空気中よりも大きいことがわかりました。
Keyword (in Japanese) (See Japanese page) 
(in English) Electromagnetic contactor / Electrical contact / Arc duration / Hydrogen / Gas pressure / Inductive load / Power factor /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 297, EMD2024-24, pp. 17-22, Dec. 2024.
Paper # EMD2024-24 
Date of Issue 2024-12-04 (EMD) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMD  
Conference Date 2024-12-11 - 2024-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) JR HAKATA CITY 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IS-EMD2024 
Paper Information
Registration To EMD 
Conference Code 2024-12-EMD 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of Ambient Gas and Load Condition on Various Characteristics of Electromagnetic Contactor in AC Power Supply 
Sub Title (in English)  
Keyword(1) Electromagnetic contactor  
Keyword(2) Electrical contact  
Keyword(3) Arc duration  
Keyword(4) Hydrogen  
Keyword(5) Gas pressure  
Keyword(6) Inductive load  
Keyword(7) Power factor  
Keyword(8)  
1st Author's Name Kiyoshi Yoshida  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Makoto Takanezawa  
2nd Author's Affiliation Nippon Institute of Technology (NIT)
3rd Author's Name Ueno Takahiro  
3rd Author's Affiliation Nippon Institute of Technology (NIT)
4th Author's Name Kouichiro Sawa  
4th Author's Affiliation Nippon Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2024-12-11 14:20:00 
Presentation Time 20 minutes 
Registration for EMD 
Paper # EMD2024-24 
Volume (vol) vol.124 
Number (no) no.297 
Page pp.17-22 
#Pages
Date of Issue 2024-12-04 (EMD) 


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